Code injection in Mutt - CVE-2020-14954

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Main Vulnerability Database Vulnerabilities #VU29425

Code injection in Mutt - CVE-2020-14954

Published: July 1, 2020


Vulnerability identifier: #VU29425
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14954
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insecure implementation of the STARTTLS buffering for IMAP, SMTP, and POP3 protocols. A remote attacker can inject arbitrary data into the TLS context during MitM attack, e.g. perform a response injection attack.


Affected software

Mutt
Gentoo Linux
Debian Linux
Opensuse
openEuler
Fedora
mutt
mutt-debuginfo
mutt-debugsource
mutt-help
neomutt (Debian package)

How to mitigate CVE-2020-14954

Install updates from vendor's website.

Mutt - update to 1.14.4
mutt - addressed in versions 1.14.5-1.fc31, 1.14.5-1.fc32
mutt - update to 2.1.3-1
mutt-debuginfo - update to 2.1.3-1
mutt-debugsource - update to 2.1.3-1
mutt-help - update to 2.1.3-1
neomutt (Debian package) - update to 20180716+dfsg.1-1+deb10u1

External References

Related Security Bulletins